Pen case



FIG. 1 is a perspective view of a pen case showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a right side view wherein the front lid is fully folded and the rear lid is half folded;

FIG. 9 is a right side view wherein the front lid is fully folded and the rear lid is three-quarters folded and is used as a leaning leg; and,

FIG. 10 is a rear perspective view thereof. 

CLAIM The ornamental design for a pen case, as shown and described. 